Spacer for building construction



FIG. 1 is a top view of a spacer for building construction, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top, rear and right side perspective view thereof; and,

FIG. 4 is a top and front perspective view thereof. 

CLAIM The ornamental design for a spacer for building construction, as shown and described. 